CN104482756A - Vertical type vacuum debinding furnace - Google Patents
Vertical type vacuum debinding furnace Download PDFInfo
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- CN104482756A CN104482756A CN201410770761.5A CN201410770761A CN104482756A CN 104482756 A CN104482756 A CN 104482756A CN 201410770761 A CN201410770761 A CN 201410770761A CN 104482756 A CN104482756 A CN 104482756A
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Abstract
The invention relates to a vertical type vacuum debinding furnace. The vertical type vacuum debinding furnace is characterized in that a vacuum system is arranged in a furnace shell of the vertical type vacuum furnace and is communicated with a heating chamber through a pipeline; an airtight tank is additionally arranged in the heating chamber; each of the heating chamber and the airtight tank in the heating chamber is provided with an upper opening and a lower opening; a top cover and an upper screen body of the airtight tank are respectively provided with through holes; connecting pipes penetrate into the airtight tank through an air inlet assembly in a lower cover; the other end of the air inlet assembly is respectively connected with a vacuumizing and debinding pipeline and an air cooling pipeline through a three-way pipeline; hearth columns are fixed on the lower screen body and penetrate through the bottom of the airtight tank so as to separate a machined workpiece in the airtight tank from the heating chamber; an air cylinder in the center of an upper cover of the furnace shell drives an air valve to realize opening and closing of the airtight tank and realizes sharing of vacuumizing, air cooling and debinding inside the furnace body together with the three-way pipeline; an air-cooled air return pipe and a vacuum filtering tank structure are additionally arranged, and the debinding pipeline, the air cooling pipeline and the vacuumizing pipeline share one port, so that material feeding and discharging are convenient, the space is saved, and especially the pollution problem that residual grease in the furnace attaches to the wall is solved.
Description
Technical field
The present invention relates to vacuum equipment, be applicable to the vertical vacuum debinding furnace of elongated rod-shaped powder metallurgy device and ceramic etc.
Background technology
Vacuum degreasing stove is a kind of degreasing production process equipment being applicable to elongated rod-shaped powder metallurgy device and ceramic etc.What vacuum degreasing stove in the past adopted mostly find time and air-cooled pipeline is equipped with independent pipeline.Shortcoming is: because find time, air-cooled pipeline influences each other, be difficult to reasonable arrangement and arrange, this structure is unfavorable for the discharge of product degreasing, the fat taken off is detained in stove, seriously polluted, because degreasing air-flow is not flow uniformly through workpiece along workspace axis being parallel, make degreasing uneven, the efficiency of furnace is low.
Summary of the invention
The object of this invention is to provide a kind of vertical vacuum debinding furnace, employing is uncapped, sets up vapor tight tank structure in heating clamber, degreasing pipeline and air-cooled, pipeline of finding time share same interface, and input and output material is convenient, save space, particularly solve the pollution problem of remaining fat wall built-up in stove.
A kind of vertical vacuum debinding furnace, comprise program robot control system(RCS), air cooling system, degreasing system, heating electrical system, air-charging and air-discharging system water-cooling system and peripheral auxiliary equipment, it is characterized in that, in vertical vacuum furnace furnace shell, vacuum system is installed, vacuum line communicates with heating clamber, vapor tight tank is set up in heating clamber, on heating clamber and vapor tight tank wherein all have, under shed, furnace shell upper cover is for entering, discharging opening, top cover and the upper screen body of vapor tight tank all have through hole, end opening is in furnace bottom furnace shell lower cover, by the lower screen body of air intake assembly by four adapter through heating rooms, enter in airtight tank body, the air intake assembly other end connects degreasing pipeline of finding time, air-cooled pipeline respectively through triplate line, also in the framework of lower screen body, be fixed with multiple siege column, siege column penetrates lower screen body and enters bottom vapor tight tank, for supporting processing work, vapor tight tank by processing work and heating clamber isolated, drive air door to realize the open and close of vapor tight tank by the cylinder at furnace shell upper cover center, and coordinate with bottom triplate line, realize at the finding time of furnace interior, air-cooled, skimming processes, add an operated pneumatic valve between the backwind tube of air cooling system and heat exchanger, the treating gas in prevention vapor tight tank is through air cooling system, the pipeline front end of finding time of vacuum system connects a filtering tank, connects vacuum pump set again, and is provided with heater on the triplate line of degreasing of finding time, and the glue gas preventing equipment from getting off in stove in the process of degreasing meets condensation knot, blocking pipeline.
The main feature of vertical vacuum debinding furnace of the present invention:
The present invention makes full use of the design feature of vertical debinding furnace, arranges shared degreasing, finds time, air-cooled interface bottom workspace, and make degreasing or the even inswept workspace of cooling blast, debinding furnace more in the past, the thorough operating efficiency of degreasing is high.
There is vapor tight tank in stove, prevent glue gas to be diffused in miscellaneous part in stove internal contamination stove, improve degreasing efficiency simultaneously; The vapor tight tank air door having cylinder to drive suitable for reading, closable opening, vapor tight tank lower openings establishes triplate line to be connected with degreasing pipeline of finding time.Find time and degreasing time, upper wind door is closed and is made vapor tight tank become closed container, stops glue diffusion of vapor; And connect a filtering tank at the pipeline leading portion of vacuum system, for collecting the impurity and other materials that produce in product sintering skimming processes, avoiding these impurity to enter in vavuum pump, damaging vavuum pump.During cooling, air door is opened, refrigerating gas end opening enters, suitable for reading go out, comprehensively through workpiece, efficiency high cooling capacity is strong.
Refrigerating gas circulating line is arranged the operated pneumatic valve blocking gas, find time and degreasing time, operated pneumatic valve is closed, and blocks cooling system gas circulation channel, stop the glue steam in vacuum drying oven to enter cooling system, ensure that circulating cooling system does not pollute by glue gas further.Valve open time air-cooled, forms gas circulation channel.Refrigerating gas enters in heating clamber by the adapter of four, bottom, and discharged by the hole of top cover and upper screen body, such structure can ensure under the prerequisite of larger throughput, reduces thermal loss, refrigerating gas also can be made to be evenly distributed.Furnace shell lower cover is the position of workpiece bearing carrier in stationary furnace, find time degreasing, air-cooled triplate line is located in the below of this lower cover, pipeline is provided with heater, can heat pipeline, glue gas mainly in order to prevent equipment from getting off in stove in the process of degreasing meets condensation knot, and blocking pipeline is unfavorable for the use of binder removal.
Under the such structure of the present invention can ensure the prerequisite of larger throughput, reduce thermal loss, refrigerating gas also can be made to be evenly distributed.
Accompanying drawing explanation
Fig. 1 is vacuum degreasing furnace heating chamber sectional view;
Fig. 2 shields top view at the bottom of vacuum degreasing furnace heating chamber;
Fig. 3 is vacuum degreasing stove air cooling system structural front view;
Fig. 4 is the peripheral accessory system overall schematic of vacuum degreasing stove;
Fig. 5 is that vertical vacuum debinding furnace operation procedure of the present invention controls schematic diagram.
Detailed description of the invention
This vertical vacuum debinding furnace of the present invention, comprise program robot control system(RCS), air cooling system, degreasing system, heating electrical system, air-charging and air-discharging system, water-cooling system and peripheral auxiliary equipment, furnace shell is provided with two doors altogether, i.e. furnace shell upper cover 2 and furnace shell lower cover 11, see Fig. 1, it is characterized in that, in vertical vacuum furnace furnace shell, vacuum system is installed, vacuum line communicates with heating clamber 7 pipeline, vapor tight tank 6 is set up in heating clamber 7, heating clamber 7 and vapor tight tank wherein 6 are equipped with, under shed, furnace shell upper cover 2 suitable for reading is for entering, discharging opening, the air door 3 driven by cylinder 1 is fixed successively inside furnace shell upper cover 2 stove, the upper screen body 4 of heating clamber and the top cover 5 of vapor tight tank 6.Top cover 5 and the upper screen body 4 of hermetically sealed can all have passage, opening is arranged at vapor tight tank 6 bottom, realize airtight by following structure: bottom heating clamber 7 by four adapter directly stretch in heating clamber with vapor tight tank 6 UNICOM, end opening is in furnace bottom furnace shell lower cover 11, make the lower screen body 9 of four adapter through heating rooms 7 by air intake assembly 10, enter in airtight tank body 6, see Fig. 2.Air intake assembly 10 other end connects degreasing pipeline of finding time, air-cooled pipeline respectively through triplate line 17, and such structure under the prerequisite ensureing larger throughput, can reduce thermal loss, refrigerating gas also can be made to be evenly distributed.This triplate line 17 is provided with heater, can to pipeline heating.Also in the framework of lower screen body 9, be fixed with multiple siege column, siege column penetrates lower screen body 9 and enters bottom vapor tight tank 6, hold up charging tray support processing work, vapor tight tank 6 make processing work and heating clamber 7 isolated; Mounting heater 8 between heating clamber 7 and vapor tight tank 6, to the heating of vapor tight tank 6 entirety.Shielding body 9 under heating clamber is air-cooled air inlet position, is also the end of vapor tight tank 6.The air door 3 driven by cylinder 1 realizes the unlatching of vapor tight tank 6 and airtight, and when finding time and come unstuck, air door is closed and made vapor tight tank become closed container, stops glue diffusion of vapor, and realizes sharing in the finding time of furnace interior, air-cooled, degreasing with triplate line 17.
Upper screen body 4 and top cover 5 are structure as a whole: top cover 5 for circular metal dull and stereotyped, disc distributes multiple isometrical hole, and to burn-on pipe at passage surrounding vertical, pipe is inserted in the passage of upper screen body 4 and is arranged as integrally.
See Fig. 2: be integrated with the framework of lower screen body 9 bottom vapor tight tank 6, multiple not isometrical hole is arranged at bottom, wherein macropore for finding time, fresh air inlet, aperture is siege leghole, and siege column penetrates in vapor tight tank 6, hold up charging tray.
Air cooling system of the present invention is made up of motor, impeller, heat exchanger 14 and an operated pneumatic valve 13, see Fig. 3, it is characterized in that adding an operated pneumatic valve 13 between the backwind tube 12 being communicated with vacuum degreasing furnace shell and heat exchanger 14, the effect of this operated pneumatic valve 13 stops treating gas in vapor tight tank 6 through air cooling system; When air-cooled, this operated pneumatic valve 13 is in opening, when equipment is in the process of finding time and come unstuck, this operated pneumatic valve 13 is in closed condition, can prevent the gas produced when coming unstuck from entering in air cooling system like this, pollutes heat exchanger 14 and miscellaneous part.Blower fan 15 is exported and is connected with triplate line 17 by air-cooled pipeline 16.The vacuum pump set part of vacuum system, see Fig. 4, it is characterized in that the pipeline front end of finding time be connected with triplate line 17 is connected a filtering tank 19, connects vacuum pump set 18 again, filtering tank 19 is for collecting the impurity and other materials that produce in product sintering skimming processes, avoid these impurity to enter in vavuum pump 20, damage vavuum pump 20.Another measure antipollution: triplate line 17 is provided with heater, can heat pipeline, and the glue gas preventing equipment from getting off in stove in the process of degreasing meets condensation knot, blocking pipeline.
Program robot control system(RCS) is arranged by work flow: see Fig. 5, opens vacuum pump set 18, finds time in equipment; Operated pneumatic valve 13 now between backwind tube 12 and heat exchanger 14 is in closed condition, when vacuum reaches heating requirements, starts heating; Now for finding time while heated condition; When temperature reaches the temperature that product comes unstuck, product starts to come unstuck, and owing to also finding time at the same time, is so just being extracted out from pipeline of finding time by the glue produced in product, enters in the filtering tank 19 before vacuum pump set 18.After product comes unstuck end, stopping is found time, refrigerating gas is poured in stove, operated pneumatic valve 13 simultaneously between backwind tube 12 and heat exchanger 14 and air door 3 are opened automatically, when reaching blower fan 15 starting pressure in stove, it is air-cooled that blower fan 15 starts beginning, until stop when temperature is cooled to open the door, open furnace shell upper cover 2 feeding, whole process operation terminates.
Air door 3 above upper screen body 4: when carrying out in heating clamber 7 finding time, being heated by heater 8 and come unstuck, this air door 3 is in closed condition, is conducive to the insulation of heating clamber 7 like this.When air-cooled, this air door 3 is in opening, and wind enters from the bottom of heating clamber 7, and from top, four pores of this air door 3 flow out, and air cooling effect is good, and efficiency is high.In the process of carrying out charging and feeding, the upper screen body 4 of heating clamber 7 moves together with furnace shell upper cover 2 with the top cover 5 of vapor tight tank 6.
Claims (5)
1. a vertical vacuum debinding furnace, comprise air cooling system, degreasing system, heating electrical system, air-charging and air-discharging system water-cooling system and peripheral auxiliary equipment, it is characterized in that installing heating clamber pipeline in vertical vacuum furnace vacuum system pipeline and furnace shell communicates, vapor tight tank (6) is set up in heating clamber (7), on heating clamber (7) and vapor tight tank wherein (6) all have, under shed, furnace shell upper cover (2) suitable for reading is for entering, discharging opening, end opening is in furnace bottom furnace shell lower cover (11), by the lower screen body (9) of air intake assembly (10) by four adapter through heating rooms (7), enter in airtight tank body (6), air intake assembly (10) other end connects find time degreasing pipeline and air-cooled pipeline respectively through triplate line (17), also in the framework of lower screen body (9), be fixed with multiple siege column, siege column penetrates lower screen body (9) and enters inside, vapor tight tank (6) end, for supporting processing work, vapor tight tank (6) by processing work and heating clamber (7) isolated, drive air door (3) to realize the open and close of vapor tight tank (6) by the cylinder (1) at furnace shell upper cover (2) center, and realize at the finding time of furnace interior, air-cooled, skimming processes with bottom triplate line (17), add an operated pneumatic valve (13) between the backwind tube (12) of air cooling system and heat exchanger (14), the treating gas in prevention vapor tight tank (6) is through air cooling system, the pipeline front end of finding time of vacuum system connects a filtering tank (19), connects vacuum pump set (18) again, and on triplate line (17), heater is installed, the glue gas preventing equipment from getting off in stove in the process of degreasing meets condensation knot, blocking pipeline.
2. vertical vacuum debinding furnace according to claim 1, is characterized in that:
Top cover (5) and the upper screen body (4) of A, vapor tight tank (6) are structure as a whole: top cover (5) and the upper screen body (4) of vapor tight tank (6) all have through hole, top cover (5) is circular metal flat board, disc distributes multiple isometrical passage, and to burn-on pipe at passage surrounding vertical, be arranged as one the insertion that pipe is burn-on being shielded in the passage of body (4);
B, vapor tight tank (6) bottom is integrated with the framework of lower screen body (9), bottom have multiple not isometrical hole, wherein macropore for finding time, fresh air inlet, aperture is siege leghole, siege column penetrates in vapor tight tank (6), holds up charging tray.
3. vertical vacuum debinding furnace according to claim 1, it is characterized in that adding an operated pneumatic valve (13) being communicated with between the backwind tube (12) of vacuum degreasing furnace shell with heat exchanger (14) in air cooling system, the effect of this operated pneumatic valve (13) is that treating gas in prevention vapor tight tank (6) is through air cooling system; When air-cooled, this operated pneumatic valve (13) is in opening, when equipment is in the process of finding time and come unstuck, this operated pneumatic valve (13) is in closed condition, can prevent the gas produced when coming unstuck from entering in air cooling system like this, pollute heat exchanger (14) and miscellaneous part.
4. vertical vacuum debinding furnace according to claim 1, it is characterized in that the pipeline front end of finding time that vacuum system is connected with triplate line (17) is connected a filtering tank (19), connects vacuum pump set (18) above again, filtering tank (19) is for collecting the impurity and other materials that produce in product sintering skimming processes, avoid these impurity to enter in vavuum pump (20), damage vavuum pump (20); Another measure antipollution: (17) are provided with heater to triplate line, can heat pipeline, prevents the glue gas got off in stove in the process of degreasing from meeting condensation knot, blocking pipeline.
5. vertical vacuum debinding furnace according to claim 1, is characterized in that program robot control system(RCS) is arranged by work flow: open vacuum pump set (18), find time in equipment; Operated pneumatic valve (13) now between backwind tube (12) and heat exchanger (14) is in closed condition, when vacuum reaches heating requirements, starts heating; Now for finding time while heated condition; When temperature reaches the temperature that product comes unstuck, product starts to come unstuck, and owing to also finding time at the same time, is so just being extracted out from pipeline of finding time by the glue produced in product, enters in the front filtering tank (19) of vacuum pump set (18); After product comes unstuck end, stopping is found time, refrigerating gas is poured in stove, operated pneumatic valve (13) simultaneously between backwind tube (12) and heat exchanger (14) and air door (3) are opened automatically, when reaching blower fan (15) starting pressure in stove, it is air-cooled that blower fan (15) starts beginning, until stop when temperature is cooled to open the door, open furnace shell upper cover (2) feeding, whole process operation terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770761.5A CN104482756B (en) | 2014-12-11 | 2014-12-11 | Vertical vacuum debinding furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770761.5A CN104482756B (en) | 2014-12-11 | 2014-12-11 | Vertical vacuum debinding furnace |
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| CN104482756A true CN104482756A (en) | 2015-04-01 |
| CN104482756B CN104482756B (en) | 2016-08-24 |
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| CN201410770761.5A Active CN104482756B (en) | 2014-12-11 | 2014-12-11 | Vertical vacuum debinding furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486081A (en) * | 2015-12-18 | 2016-04-13 | 山东精工电子科技有限公司 | High-temperature shell furnace capable of oxygen-enriched pressure maintaining sintering |
| CN107576223A (en) * | 2017-10-10 | 2018-01-12 | 珠海格力电器股份有限公司 | The minimizing technology and device of the lubricating oil of heat exchanger |
| CN108061462A (en) * | 2017-12-12 | 2018-05-22 | 湖南顶立科技有限公司 | A kind of sintering equipment |
| CN109759582A (en) * | 2018-12-29 | 2019-05-17 | 株洲万融新材科技有限公司 | Vacuum degreasing sintered system |
| CN112880406A (en) * | 2021-01-28 | 2021-06-01 | 喜而诺盛自动化科技(苏州)有限公司 | Electric capacity binder removal stove |
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| CN112880406A (en) * | 2021-01-28 | 2021-06-01 | 喜而诺盛自动化科技(苏州)有限公司 | Electric capacity binder removal stove |
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| CN104482756B (en) | 2016-08-24 |
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Effective date of registration: 20230110 Address after: Room 102, 1-1 Xueyuan Road, Hunnan New District, Shenyang, Liaoning 110168 Patentee after: Shenyang Hengrun Vacuum Technology Co.,Ltd. Address before: 110168 Liaoning city of Shenyang province Xueyuan Road Hunnan New District No. 1 Patentee before: SHENYANG HENGJIN VACUUM TECHNOLOGY Co.,Ltd. |
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